method
new_record?
rails latest stable - Class:
ActiveRecord::Base
new_record?()public
Returns true if this object hasn’t been saved yet — that is, a record for the object doesn’t exist yet; otherwise, returns false.
- ==
- []
- []=
- attribute_for_inspect
- attribute_names
- attribute_present?
- attributes
- attributes=
- attributes_before_type_cast
- becomes
- cache_key
- clone
- column_for_attribute
- connection
- decrement
- decrement!
- delete
- destroy
- destroyed?
- eql?
- freeze
- frozen?
- has_attribute?
- hash
- id
- id=
- id_before_type_cast
- increment
- increment!
- inspect
- new_record?
- quoted_id
- readonly!
- readonly?
- reload
- save
- save!
- to_param
- toggle
- toggle!
- update_attribute
- update_attributes
- update_attributes!
- ===
- abstract_class?
- accessible_attributes
- all
- allow_concurrency
- allow_concurrency=
- attr_accessible
- attr_protected
- attr_readonly
- base_class
- benchmark
- class_name
- column_methods_hash
- column_names
- columns
- columns_hash
- connected?
- connection
- connection_pool
- content_columns
- count_by_sql
- create
- decrement_counter
- delete
- delete_all
- descends_from_active_record?
- destroy
- destroy_all
- establish_connection
- exists?
- find
- find_by_sql
- finder_needs_type_condition?
- first
- full_table_name_prefix
- get_primary_key
- human_attribute_name
- human_name
- increment_counter
- inheritance_column
- inherited
- inspect
- last
- merge_conditions
- mysql_connection
- new
- postgresql_connection
- primary_key
- protected_attributes
- quote_value
- readonly_attributes
- remove_connection
- reset_column_information
- reset_column_information_and_inheritable_attributes_for_all_subclasses
- reset_counters
- reset_primary_key
- reset_sequence_name
- reset_subclasses
- reset_table_name
- respond_to?
- retrieve_connection
- sanitize
- self_and_descendants_from_active_record
- sequence_name
- serialize
- serialized_attributes
- set_inheritance_column
- set_primary_key
- set_sequence_name
- set_table_name
- silence
- sqlite3_connection
- sqlite_connection
- sti_name
- table_exists?
- table_name
- update
- update_all
- update_counters
- verification_timeout
- verification_timeout=
-
aggregate_mapping - class_name_of_active_record_descendant
- class_of_active_record_descendant
- compute_type
- current_scoped_methods
- default_scope
- encode_quoted_value
- expand_hash_conditions_for_aggregates
- expand_range_bind_variables
- quote_bound_value
- raise_if_bind_arity_mismatch
- replace_bind_variables
- replace_named_bind_variables
- sanitize_sql_array
- sanitize_sql_for_assignment
- sanitize_sql_for_conditions
- sanitize_sql_hash_for_assignment
- sanitize_sql_hash_for_conditions
- scope
- scoped?
- scoped_methods
- set_readonly_option!
- subclasses
- validate_find_options
- with_exclusive_scope
- with_scope
-
add_conditions! - add_group!
- add_joins!
- add_limit!
- add_lock!
- add_order!
- all_attributes_exists?
- array_of_strings?
- attribute_condition
- construct_attributes_from_arguments
- construct_finder_sql
- default_select
- define_attr_method
- expand_attribute_names_for_aggregates
- expand_id_conditions
- find_every
- find_from_ids
- find_initial
- find_last
- find_one
- find_some
- instantiate
- merge_includes
- merge_joins
- method_missing
- parse_sqlite_config!
- quoted_table_name
- reverse_sql_order
- safe_to_array
- type_condition
- type_name_with_module
- undecorated_table_name
- assign_attributes
- assign_multiparameter_attributes
- attributes_from_column_definition
- attributes_protected_by_default
- attributes_with_quotes
- clone_attribute_value
- clone_attributes
- comma_pair_list
- convert_number_column_value
- create
- create_or_update
- ensure_proper_type
- execute_callstack_for_multiparameter_attributes
- extract_callstack_for_multiparameter_attributes
- find_parameter_position
- instantiate_time_object
- interpolate_sql
- log_protected_attribute_removal
- object_from_yaml
- quote_columns
- quote_value
- quoted_column_names
- quoted_comma_pair_list
- remove_attributes_protected_from_mass_assignment
- remove_readonly_attributes
- type_cast_attribute_value
- update